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<div class="title">libavutil/samplefmt.h File Reference</div> </div>
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<div class="textblock"><code>#include <stdint.h></code><br/>
<code>#include "<a class="el" href="avutil_8h_source.html">avutil.h</a>"</code><br/>
<code>#include "<a class="el" href="attributes_8h_source.html">attributes.h</a>"</code><br/>
</div>
<p><a href="samplefmt_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> { <br/>
  <a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5ac5d4bb5b0fb0dc7316fb3c7a73029912">AV_SAMPLE_FMT_NONE</a> = -1,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5adf0f66f21492f8fd5db6debb8b3f932a">AV_SAMPLE_FMT_U8</a>,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5aea6132df57aebc3f76e10665395c46af">AV_SAMPLE_FMT_S16</a>,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5ab7ae6bb6718c07cd316778783a57a63b">AV_SAMPLE_FMT_S32</a>,
<br/>
  <a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5a5251d62cc3c7f18e56bc8e0c48a27903">AV_SAMPLE_FMT_FLT</a>,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5ae35a2a6a7593723d9fe4bcefb2876606">AV_SAMPLE_FMT_DBL</a>,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5a6ab0109a23af37e29ea3a7282c00d311">AV_SAMPLE_FMT_U8P</a>,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5a35eaaad9da207aa4e63fa02fd67fae68">AV_SAMPLE_FMT_S16P</a>,
<br/>
  <a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5aa215d25dfbf927aa362c837fed4b15a8">AV_SAMPLE_FMT_S32P</a>,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5a2d21c520e4ab21100b6440ec2d81ba1b">AV_SAMPLE_FMT_FLTP</a>,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5adf1348382a7c7473a425e05530989ae5">AV_SAMPLE_FMT_DBLP</a>,
<a class="el" href="group__lavu__sampfmts.html#ggaf9a51ca15301871723577c730b5865c5a8c2ef4962274b33e2828fb9629c104fd">AV_SAMPLE_FMT_NB</a>
<br/>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Audio sample formats. <a href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#ga31b9d149b2de9821a65f4f5612970838">av_get_sample_fmt_name</a> (enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the name of sample_fmt, or NULL if sample_fmt is not recognized. <a href="group__lavu__sampfmts.html#ga31b9d149b2de9821a65f4f5612970838"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#ga655c989b749667468e5e839e26fe63db">av_get_sample_fmt</a> (const char *name)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a sample format corresponding to name, or AV_SAMPLE_FMT_NONE on error. <a href="group__lavu__sampfmts.html#ga655c989b749667468e5e839e26fe63db"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#ga8e66c3f813ea02afcaa56a8a964c749a">av_get_alt_sample_fmt</a> (enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt, int planar)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the planar<->packed alternative form of the given sample format, or AV_SAMPLE_FMT_NONE on error. <a href="group__lavu__sampfmts.html#ga8e66c3f813ea02afcaa56a8a964c749a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#ga7817ec0eff4dc6fc0962f31e6d138bca">av_get_packed_sample_fmt</a> (enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the packed alternative form of the given sample format. <a href="group__lavu__sampfmts.html#ga7817ec0eff4dc6fc0962f31e6d138bca"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#ga82caf838259d95cc6c4fd87633bb0e19">av_get_planar_sample_fmt</a> (enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the planar alternative form of the given sample format. <a href="group__lavu__sampfmts.html#ga82caf838259d95cc6c4fd87633bb0e19"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#gabdc8c2172c33fe9d36cbedaf3c5f83bb">av_get_sample_fmt_string</a> (char *buf, int buf_size, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Generate a string corresponding to the sample format with sample_fmt, or a header if sample_fmt is negative. <a href="group__lavu__sampfmts.html#gabdc8c2172c33fe9d36cbedaf3c5f83bb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#ga0c3c218e1dd570ad4917c69a35a6c77d">av_get_bytes_per_sample</a> (enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return number of bytes per sample. <a href="group__lavu__sampfmts.html#ga0c3c218e1dd570ad4917c69a35a6c77d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#ga06ba8a64dc4382c422789a5d0b6bf592">av_sample_fmt_is_planar</a> (enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check if the sample format is planar. <a href="group__lavu__sampfmts.html#ga06ba8a64dc4382c422789a5d0b6bf592"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampfmts.html#gaa7368bc4e3a366b688e81938ed55eb06">av_samples_get_buffer_size</a> (int *linesize, int nb_channels, int nb_samples, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt, int align)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the required buffer size for the given audio parameters. <a href="group__lavu__sampfmts.html#gaa7368bc4e3a366b688e81938ed55eb06"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampmanip.html#ga673254a62fa75dab3211caf17c73c6eb">av_samples_fill_arrays</a> (uint8_t **audio_data, int *linesize, const uint8_t *buf, int nb_channels, int nb_samples, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt, int align)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fill plane data pointers and linesize for samples with sample format sample_fmt. <a href="group__lavu__sampmanip.html#ga673254a62fa75dab3211caf17c73c6eb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampmanip.html#ga4db4c77f928d32c7d8854732f50b8c04">av_samples_alloc</a> (uint8_t **audio_data, int *linesize, int nb_channels, int nb_samples, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt, int align)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate a samples buffer for nb_samples samples, and fill data pointers and linesize accordingly. <a href="group__lavu__sampmanip.html#ga4db4c77f928d32c7d8854732f50b8c04"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampmanip.html#gae8b9f22f2f659d023f111390d9545273">av_samples_alloc_array_and_samples</a> (uint8_t ***audio_data, int *linesize, int nb_channels, int nb_samples, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt, int align)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Allocate a data pointers array, samples buffer for nb_samples samples, and fill data pointers and linesize accordingly. <a href="group__lavu__sampmanip.html#gae8b9f22f2f659d023f111390d9545273"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampmanip.html#ga5fdc6b1118f3ba7ad9ac9f67308b9597">av_samples_copy</a> (uint8_t **dst, uint8_t *const *src, int dst_offset, int src_offset, int nb_samples, int nb_channels, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copy samples from src to dst. <a href="group__lavu__sampmanip.html#ga5fdc6b1118f3ba7ad9ac9f67308b9597"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__sampmanip.html#ga6f287e5c4f426a8be8a8b5b8f708a05c">av_samples_set_silence</a> (uint8_t **audio_data, int offset, int nb_samples, int nb_channels, enum <a class="el" href="group__lavu__sampfmts.html#gaf9a51ca15301871723577c730b5865c5">AVSampleFormat</a> sample_fmt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fill an audio buffer with silence. <a href="group__lavu__sampmanip.html#ga6f287e5c4f426a8be8a8b5b8f708a05c"></a><br/></td></tr>
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